JPH089537Y2 - Door device for cookers, etc. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a front door device of a grill cabinet or other cooking device.

(Prior Art) Conventionally, as shown in FIG. 13, a door d is known in which a glass plate a is sandwiched between a door frame main body b made of a metal plate and a decorative plate c provided on the lower half of the front surface thereof.

(Problems to be solved by the invention) However, in this one, a protrusion e provided on the lower half portion of the door frame main body b and an engagement portion f provided on the lower end portion of the decorative plate c are provided with screws g. The projecting piece e is fastened and fixed to the engaging portion f. This type requires the screw tightening because the screw g is tightened, and there is a problem that the workability is poor.

Further, as disclosed in Japanese Utility Model Publication No. 59-41445, a glass plate is sandwiched between a door frame main body made of a metal plate and a decorative plate provided in the lower front half of the door frame main body, A door frame mainly made of a door frame that is exposed to a transparent window. The door frame includes a lower locking claw provided at a lower end of the decorative plate and lateral locking claws on both sides of the decorative plate. There are things that are tightened and bound to the main body.

In this case, a glass plate is inserted into the door frame main body from the side of the door frame main body, a decorative plate is applied to the lower front surface of the door frame main body, and lateral locking claws are bent on both sides of the decorative frame, thereby By inserting into the window provided in the hinge, the door frame main body and the decorative plate are tightened and bound, both sides of the glass plate are supported by the lateral locking claws, and the lower locking claw is from the lower end of the door frame main body. It is necessary to bend along the rear edge of the protrusion protruding rearward and then further bend along the upper edge of the protrusion to fasten and bond the door frame main body and the decorative plate.

That is, it is necessary to bend the locking claws provided at different positions on both sides and the lower side of the decorative plate, which causes a problem that the assembling work becomes complicated.

The object of the present invention is to obtain a door device for a cooker or the like that does not have such a problem.

(Means for Solving the Problems) In order to achieve such an object, the present invention provides a glass plate between a door frame main body made of a metal plate and a decorative plate provided on the lower front half of the door frame main body. A door which is sandwiched so as to face a transparent window provided mainly in the door frame, and the main body of the door frame is provided with a receiving groove for supporting an upper edge portion of the glass plate and both sides thereof. Provide a claw piece that supports the side edge of the glass plate of
In addition, in the case where a receiving groove for supporting the lower end of the glass plate is provided at the upper end of the decorative plate, the door frame mainly has downward edges with different heights and is formed in two stages, and the above-mentioned 2 Upward locking grooves that support the downward edges of the steps are provided in two steps, downward steps are provided on the back surface of the decorative plate, and a tongue piece is provided mainly on the door frame. The upper end of the tongue is locked to the downward surface of the step portion by bending it downward, and when the two are vertically combined between the door frame main body and the decorative plate, both side surfaces come into contact with each other and both sides are brought into contact with each other. It is characterized in that a locking portion is provided to prevent the lateral movement of the.

(Operation) In a door device such as a cooker having the above-described configuration, a glass plate is inserted into the door frame main body from below the door frame main body until the upper edge of the glass plate is inserted into the receiving groove. It is exposed to the transparent window provided mainly in the frame. Next, by moving the decorative plate upward from below the door frame main body along its front surface and inserting the two downward edges of the door frame main body into the locking grooves provided on the back surface of the decorative plate, the decorative plate will move up and down. Both do not separate the door frame from the front and back. Then, the door frame main body and the decorative plate are locked so as not to move to the left and right by the locking portion that blocks the lateral movement of both. Moreover, the downward edge of the door frame main body is supported on the bottom surface of the locking groove, and the tongue piece mainly of the door frame is bent under the downward surface of the downward step portion provided on the back surface of the decorative plate, If the upper end of the piece is locked to the downward surface of the step portion, the two do not separate in the vertical direction either, and the glass plate is bound between the door frame main body and the decorative plate by these.

(Embodiment) An embodiment of the present invention will be described with reference to the attached drawings. In the drawing, 1 is provided with a heating chamber 2 inside and a gas stove section 3 is provided on the upper surface.
A cooker body 4 provided with a door is a door provided in a front opening 5 of the heating chamber 2, and the door 4 is a door frame main body 7 made of a metal plate having a transparent window 6 in an upper half portion thereof and a lower front surface thereof. A glass plate 9 is sandwiched between the glass plate 9 and a decorative plate 8 made of, for example, a synthetic resin, which is provided in the half part. The glass plate 9 is inserted from below between the receiving groove 11a formed by bending the upper end of the door frame main body 7 forward and then downward and between the claw pieces 11b whose both ends are bent forward to allow the glass plate 9 to pass through. The lower end of the glass plate 9 is made to face the window 6 and is supported by the receiving edge 12 of the decorative plate 8, and a rising wall 13 that rises upward is provided in front of the receiving edge 12 and this will be described later. A receiving groove for inserting the lower end of the glass plate 9 is formed between the decorative plate 8 and the L-shaped projection 14a provided on the upper end.

The door frame main body 7 is provided with a downward edge 7a-1 and a downward edge 7a-2 in two stages. Explaining this, the lower part of the center of the door frame main body 7 is cut out to form the lower edge 7a-1 of the upper stage in the lower center part, and the lower edges 7a-2 of the lower stage below both sides thereof.

Then, on the back surface of the decorative plate 8, these two downward edges 7a-1
Locking grooves 14A and 14B for locking the downward edges 7a-2 are provided in a pair of upper and lower portions near the upper end portion and the lower end portion of the rear surface of the decorative plate 8 in a pair of left and right.

Explaining the locking grooves 14A and 14B, as is apparent from FIG. 3, the locking groove 14A near the upper end is the rising wall 13
And the protrusion 14a and the glass plate 9 and the central downward edge 7a-1 of the door frame main body 7 are inserted between them and the engaging groove 14B near the lower end is the back surface of the decorative plate 8. And the protrusion 14b
Formed between and.

The locking grooves 14A, 14B are formed at intervals between the L-shaped projections 14a, 14b which are continuous with the decorative plate 8 only at the lower part and the decorative plate 8, and
The upper surface of the portion of the a and 14b which is continuous with the decorative plate 8 is the bottom surface 10.

In the embodiment, the back surface of the decorative plate 8 facing the lower projection 14b in the production of the decorative plate 8 is recessed, and the space between the projection 14b and the decorative plate 8 is the lower part of the door frame main body 7 inserted into this. Although the thickness is larger than the thickness of 7a-2, the downward edges 7a-2 of the lower tiers on both sides of the door frame main body 7 hit the back surface of the decorative plate 8 adjacent to the protrusion 14b, so that substantially A space approximately equal to the thickness of the door frame main body 7 can be secured between the protrusion 14b and the decorative plate 8.

A locking portion is provided between the door frame main body 7 and the decorative plate 8 so that the side surfaces of both of them come into contact with each other when they are combined in the vertical direction to prevent the lateral movement of both. The locking portion is formed between the side surface of the protrusion 14a and the side surface of the cutout 17 formed by cutting out the door frame main body 7. Further, a recess 16a is provided on the back surface of the decorative plate 8,
The upper end of the depression 16a was a downward step. Then, the tongue piece 15 provided on the door frame main body 7 is bent under the downward step, and the upper end of the tongue piece 15 is locked to the downward surface of the downward step.

As shown in FIGS. 1 to 8, the downward edges 7a-2 at both ends are shown.
The tongue piece 15 was protruded inward from the. However, as shown in FIGS. 9 and 10, a tongue piece 15 may be provided so as to project upward from the lower portion of the door frame main body 7.

Further, as shown in FIGS. 11 and 12, the downward step 16
Can also be formed on the lower edge of the protrusion protruding from the back surface of the decorative plate 8. In this case, the tongue piece 15 is bent outwardly in advance to avoid the protrusion, and then is bent toward the decorative plate 8 side so that the upper end 15b of the tongue piece 15 is engaged with the downward surface of the downward step portion 16. Stop it.

It should be noted that the base of the tongue piece 15 is provided with a through groove 15a to facilitate bending of the tongue piece 15.

This device is provided with locking grooves 14A provided in the upper and lower two steps provided on the decorative plate 8,
The downward edges 7a-1 and 7a-2 of the door frame main body 7 are inserted into 14B so as to be supported on the bottom surface 10 of the locking grooves 14A and 14B, and the door frame main body 7
By locking the upper end 15b of the tongue piece 15 provided on the lower surface with the downward surface of the downward step 16 provided on the back surface of the decorative plate 8, the door frame main body 7 and the decorative plate 8 sandwich the glass plate 9 therebetween. It is fixed in the state where it did.

Reference numeral 18 denotes a bearing piece projecting rearward from both sides of the door frame main body 7, and a metal rod 20 is inserted into and supported by a shaft hole 19 provided in the bearing piece 18, and both ends of the metal rod 20 are attached to the cooker body 1. I tried to support it.

In this case, the metal rod 20 is bent inside the bearing piece 18 in a crank shape so as not to come out of the shaft hole 19, and
As apparent from the figure, the middle of the metal rod 20 is connected to the protrusion 14a.
It was locked to the upper surface of the so that the metal rod 20 would not rotate unintentionally. At this time, the distance from the center of the shaft hole 19 to the outermost part in the middle of the metal rod 20 is larger than the distance to the tip of the protrusion 14a and larger than the distance to the door frame main body 7, and the assembling is performed by metal. Utilizing the elasticity of the rod 20, the rod 20 is temporarily deformed to be locked between the protrusion 14a and the door frame main body 7.

(Effect of the Invention) Since the present invention has the above-mentioned configuration, the following effects can be obtained.

The glass plate can be attached to the main body of the door frame and the glass plate can be attached to the main body of the door frame from below the main body of the door frame, and the operation is easy.

Moreover, assembling is performed by inserting the downward edges of the door frame main body configured in two steps with different heights into the two upward facing locking grooves provided on the back surface of the decorative board, so that the decorative board can be placed on the upper and lower sides of the door. A member that is locked so as not to be separated from the frame main body in the front-rear direction and that prevents lateral movement of the door frame main body and the decorative plate when the two are combined in the up-down direction so that their side surfaces come into contact with each other. The door frame main body and the decorative plate are locked by the stop portion so as not to move laterally.

Moreover, the downward edge of the door frame main body is supported in the locking groove, and
By bending the tongue provided mainly on the door frame below the downward surface of the downwardly facing stepped portion provided on the decorative plate, and locking the upper end of the tongue to the downwardly facing surface of the stepped portion, the It is locked so as not to separate.

Therefore, it does not require screw tightening work as in the past,
In addition, the bending of the tongue for locking the upper end of the tongue provided mainly on the door frame to the downward surface of the step provided on the back surface of the decorative plate,
Since it is performed on the back surface of the decorative plate, the assembling work becomes extremely simple as compared with the conventional work in which the locking claws are bent at different positions on both sides and the lower side of the decorative plate.

[Brief description of drawings]

FIG. 1 is a perspective view of a cooker body equipped with the device of the present invention, and FIG.
The figure is a perspective view of the apparatus, FIG. 3 is an exploded perspective view thereof, FIG. 4 is an enlarged cutaway sectional view of a part thereof, and FIGS.
FIG. 8 is a sectional view taken along the line VV to VII-VII in FIG. 8, FIG. 8 is a sectional view taken along the line VII-VII in FIG. 5, and FIG. 9 is an exploded perspective view showing the main part of another embodiment. The figure shows a cutaway side view of the assembled state,
FIG. 11 is an exploded perspective view showing a main part of still another embodiment, FIG. 12 is a cutaway side view of the assembled state, and FIG. 13 is a cutaway side view showing a conventional example. 7 ... Mainly door frame, 8 ... Decorative plate, 14 ... Locking groove, 15 ... Tongue

Claims (1)

[Scope of utility model registration request] 1. A glass plate as a main body of a door frame made of a metal plate,
A door which is sandwiched between a decoration plate provided on the lower front half of the door frame main body so as to face a transparent window provided on the door frame main body, and the upper end of the door frame main body. Is provided with a receiving groove for supporting the upper edge of the glass plate, and claw pieces for supporting the side edges of the glass plate are provided on both sides thereof, and a receiving groove for supporting the lower end of the glass plate is provided at the upper end of the decorative plate. In the provided one, the door frame mainly has downward edges with different heights and is configured in two steps, and upward locking grooves for supporting the downward edges of the two steps are provided in two steps on the back surface of the decorative plate. Further, a downward step is provided on the back surface of the decorative plate, a tongue is provided mainly on the door frame, the tongue is bent below the step downward surface, and the step downward is provided with an upper end of the tongue. Locking between the door frame main body and the decorative plate, and when the both are combined in the up-down direction, the side surfaces of both of them come into contact with each other to prevent lateral movement of both. Door device of the cooking and the like, wherein a provided.